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Temperature Scales - 72 views

www.pbs.org/...temperature-scales.swf science temperature scale celsius
shared by Martin Burrett on 06 Jul 11 - No Cached
  • Martin Burrett on 06 Jul 11
     
    A clever tool where users make and name their own temperature scale and compare it to Celsius. http://ictmagic.wikispaces.com/Science
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Physicists uncover novel phase of matter - 22 views

phys.org/...-physicists-uncover-phase.html physic news science electrons magnitude polarity spin onde wavejerk matter phase novel
shared by Jac Londe on 02 Nov 15 - No Cached
  • Jac Londe on 02 Nov 15
     
    A team of physicists led by Caltech's David Hsieh has discovered an unusual form of matter-not a conventional metal, insulator, or magnet, for example, but something entirely different. This phase, characterized by an unusual ordering of electrons, offers possibilities for new electronic device functionalities and could hold the solution to a long-standing mystery in condensed matter physics having to do with high-temperature superconductivity-the ability for some materials to conduct electricity without resistance, even at "high" temperatures approaching -100 degrees Celsius.
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Risk of extreme climate change accelerating | Global Climate Change Information - 29 views

westcoastclimateequity.org/...me-climate-change-accelerating
shared by Elliott Cady on 05 Nov 11 - No Cached
  • “Recent observations confirm that, given high rates of observed emissions, the worst-case IPCC scenario trajectories (or even worse) are being realized. For many key parameters, the climate system is already moving beyond the patterns of natural variability within which our society and economy have developed and thrived.
  • (http://climatecongress.ku.dk/newsroom/congress_key_messages/)
  • worst case scenario of the IPCC-2007 (AR4) is defined as “scenario A1F1″
  • ...1 more annotation...
  • A rise of mean global temperatures above 4 or 5 degrees Celsius would shift the atmosphere to pre-glacial/interglacial conditions, which dominated the Earth from about 34 million years ago (end-Eocene) (Zachos et al., 2008)
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